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Ethmalosa fimbriata (Bowdich, 1825)

Bonga shad
إضافة ملاحظاتك Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Ethmalosa fimbriata   AquaMaps   Data sources: GBIF OBIS
ارفع صور و مقاطع فيديو
Pictures | صور قوقل
Image of Ethmalosa fimbriata (Bonga shad)
Ethmalosa fimbriata
Picture by Durand, J.-D.

التصنيف / Names الأسماء الشائعة | مرادفات | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

شعاعيات الزعانف > Clupeiformes (Herrings) > Clupeidae (Herrings, shads, sardines, menhadens) > Dorosomatinae
Etymology: Ethmalosa: Greek, ethmos, -ou = sieve, also the ethmoides bone + Latin, alausa = a fish cited by Ausonius and Latin, halec = pickle, dealing with the Greek word hals = salt; it is also the old Saxon name for shad = "alli" ; 1591 (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range البيئة

; بحري; المياه العذبة; مياه مخلوطة; أسماك نازلة (Ref. 51243); نطاق العمق 0 - ? m (Ref. 54436), usually 0 - 50 m (Ref. 54436).   Tropical; 25°N - 8°S, 17°W - 14°E (Ref. 54436)

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Atlantic Ocean: Eastern central Atlantic Ocean, from Dakhla in Western Sahara southward to Lobito Bay in Angola (Ref. 188, 5286, 81269, 81631), occasionally entering freshwater (Ref. 3509). Reports from Cape Verde Islands are based on an erroneous type locality for Clupea fimbriata by Bowdich (1825) which was followed by later authors (Ref. 188, 5286).

Length at first maturity / الحجم / وزن / العمر

Maturity: Lm 17.0  range ? - 18.5 cm
Max length : 46.0 cm TL ذكر/ مختلط الجنس; (Ref. 1989); common length : 25.0 cm TL ذكر/ مختلط الجنس; (Ref. 187); أعلا وزن تم نشرة: 1.0 kg (Ref. 1989)

وصف مختصر الوصف الخارجي | قياسات المظهر الخارجي

الأشواك الظهرية (المجموع): 0; الأشعة الظهرية الناعمة (المجموع): 16-19; شوكة شرجية 0; أشعه شرجية لينه: 19 - 23; فقرات: 42 - 44. Diagnosis: Ethmalosa fimbriata is distinguished from other clupeids by the presence of a median notch on the upper jaw, into which tip of lower jaw fits (Ref. 188, 81269). A faint dark spot behind gill cover, sometimes followed by others; dorsal fin tip black; caudal fin deep chrome yellow; golden tints on body (Ref. 188). Ethmalosa fimbriata resembles Sardinella aurita, Sardinella rouxi and especially Sardinella maderensis, but these are more slender, have a rounded upper jaw which is not notched and the upper gillrakers are not bent upward like an elbow (Ref. 188).

أحياء     المصطلحات (على سبيل المثال epibenthic)

Ethmalosa fimbriata is found in fairly shallow coastal waters, lagoons and estuaries, and sometimes also in lower courses of coastal rivers, even more than 300 km up rivers (Ref. 187, 188, 81269, 81631). It feeds principally on phytoplankton, chiefly diatoms, filtered by the very fine gillraker sieve (Ref. 187, 188, 3166). It breeds throughout the year in waters of salinities 3.5-38 ppt, but with peaks in at least some areas; spawns in the sea, in estuaries and in rivers (Ref. 188). The largest fisheries are in Senegal, Sierra Leone, Ivory Coast, Nigeria and Cameroon, mainly in the dry season (Ref. 188).

Life cycle and mating behavior النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae

Breeds all year in waters of salinities 3.5 to 38 ppt, but with peaks in at least some areas, becoming progressively later to south. Spawns in the sea, in estuaries and in rivers.

المرجع الرئيسي Upload your references | مراجع | المنظم | المتعاونين

Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)

IUCN Red List Status (Ref. 120744)

  Least Concern (LC) ; Date assessed: 01 May 2009

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر للأنسان

  Harmless





استخدامات بشرية

مصائد: ذو قيمة تاجرية عالية; الأستزراع المائي: التجريبي

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مصادر علي الأنترنت

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 20.2 - 27.9, mean 26.4 (based on 180 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00824 - 0.01107), b=3.05 (3.01 - 3.09), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
مستوى غذائي (Ref. 69278):  2.5   ±0.20 se; Based on food items.
المرونه (Ref. 69278):  عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (K=0.25-0.36; tm=1; Fec=16,000).
Prior r = 0.93, 95% CL = 0.61 - 1.39, Based on 5 stock assessments.
عرضة للخطر (Ref. 59153):  Low vulnerability (21 of 100) .
فئة السعر (Ref. 80766):   High.